CVE-2026-82257
CVE-2026-82257 · SvelteKit before 2.69.1 Prototype Pollution via File Input
This page contains facts from public vulnerability sources. Check the original advisory before updating.
SvelteKit versions before 2.69.1 contain a prototype pollution vulnerability in remote form functions with file input fields that accept arbitrary user-controlled path names. Attackers can manipulate the deletion path to remove methods on the prototype, potentially disabling application functionality.
CVSS 5.3 · Medium · EPSS 0.4% · Fix available
- Published
- Updated
Stack: node
Affected products and versions
kit
- Versions
- ≥ 0, < 2.69.1: Affected (semver)
- 2.69.1: Not affected (semver)
Update to 2.69.1
@sveltejs/kit npm
- Affected ranges
- SEMVER: < 2.69.1
Update to 2.69.1